Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653375 | Urethane di(meth)acrylate derivatives of 1,3-bis(1-isocyanato-1-methylethyl)benzene | Volker Rheinberger, Thomas Völkel, Urs Karl Fischer | 2003-11-25 |
| 6569917 | Dental materials based on polysiloxanes | Thomas Völkel, Sabine Stein, Volkner Rheinberger | 2003-05-27 |